<!-- # 我还需要了解
  1、 reactive 和 ref 
  2、 Proxy
  3、 vue3响应原理 vue2与vue3区别 -->
<script setup>
import { ref,onMounted } from "vue"
import { useShowNum } from "@/composables/shownum.js"
useShowNum()
   
     //轮播图
     let swiperList = ref([])   //设置成响应式
     async function getSwiperList(){
       const {data:res} = await uni.$http.get('/api/public/v1/home/swiperdata');
       if (res.meta.status !== 200) return uni.$showMsg();
       swiperList.value = res.message;
     }
     
     
     //分类导航
     let navList = ref([])
     async function getNavList(){
       const {data:res} = await uni.$http.get('/api/public/v1/home/catitems')
       if(res.meta.status !== 200) return uni.$showMsg();
       navList.value = res.message;
       
       navList.value[0].url = '/pages/cate/cate'
       navList.value[1].url = '/pages/cate/cate'
       navList.value[2].url = '/pages/cate/cate'
       navList.value[3].url = '/pages/cate/cate'
       // let navClick = (item) =>{  return uni.switchTab({  url: item.r  })  }
     }
     
     
     //楼层数据
     let floorList= ref([])
     async function getFloorList(){
       const {data:res} = await uni.$http.get('/api/public/v1/home/floordata')
       if(res.meta.status !== 200) return uni.$showMsg()
       
       res.message.forEach( (floor) => {
            floor.product_list.forEach(prod=>{
               prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
            })
       })
      
       floorList.value = res.message; 
     }
     
     
     function gotoSearch(){
       uni.navigateTo({
         url: "/subpkg/search/search"
       })
     }
     
 
    //组件加载完成钩子
  onMounted( async() => {
        await getSwiperList()
        await getNavList()
        await getFloorList()
    })

</script>
  

<template>
  <my-search @click="gotoSearch"></my-search>
  
 <view>
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true" current="0">
      <swiper-item v-for="(item, i) in swiperList" :key="i">
          <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
            <image :src="item.image_src"></image>
          </navigator>
      </swiper-item>
    </swiper>
    
    <!-- 分类导航区域 -->
    <view class="nav-list">
        <navigator class="nav-item" v-for="(item,i) in navList" :key="i" :url="item.url" open-type="switchTab" hover-class="none">
          <image :src="item.image_src" class="nav-img"></image>
        </navigator>
    </view>
    
    <!-- 楼层区域 -->
    <view class="floor-list">
      <view class="floor-item" v-for="(item, i) in floorList" :key="i">
            <image :src="item.floor_title.image_src" class="floor-title"></image>
            <!-- 楼层图片区域 -->
              <view class="floor-img-box">
                  <navigator class="left-img-box" :url="item.product_list[0].url">
                    <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
                  </navigator>
                  <view class="right-img-box">
                    <navigator class="right-img-item" v-for="(item2, i2) in item.product_list.filter( (item,i)=> { return i !== 0} )" :key="i2" :url="item2.url">
                      <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
                    </navigator>
                  </view>
              </view>
        </view>
  
    </view>
    
    
  </view>
  
  
</template>



<style lang="scss">
  swiper {
    height: 330rpx;
    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }
  
  .nav-list{
     display: flex;
     justify-content: space-around;
     margin: 30rpx 0;
     
     .nav-img{
       width: 128rpx;
       height: 140rpx;
     }
  }
  
  .floor-title {
    height: 60rpx;
    width: 100%;
    display: flex;
  }
  .right-img-box{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  .floor-img-box{
     display: flex;
     padding-left: 10rpx;
  }
  
  
</style>
